Any motorized vehicle manufactured and used exclusively for
off-highway use which is fifty (50) inches or less in width, with
an unladen dry weight of six hundred (600) pounds or less, traveling
on three (3), four (4) or more low pressure tires, with a seat designed
to be straddled by the operator and handlebars for steering control.

A vehicle publicly owned and operated as an ambulance, or
a vehicle publicly owned and operated by the State Highway Patrol,
Police or Fire Department, Sheriff, Constable or Deputy Sheriff, traffic
officer, or any privately owned vehicle operated as an ambulance when
responding to emergency calls.

The territory contiguous to and including a highway when
within any six hundred (600) feet along the highway there are buildings
in use for business or industrial purposes including, but not limited
to, hotels, banks or office buildings, railroad stations and public
buildings which occupy at least three hundred (300) feet of frontage
on one (1) side or three hundred (300) feet collectively on both sides
of the highway.

Every highway, street or roadway in respect to which owners
or occupants of abutting lands and other persons have no legal right
of access to or from the same except at such points only and in such
manner as may be determined by the public authority having jurisdiction
over the highway, street or roadway.

That part of a roadway at an intersection included within the
connections of the lateral lines of the sidewalks on opposite sides
of the highway measured from the curbs or, in the absence of curbs,
from the edges of the traversable roadway.

The area embraced within the prolongation or connection of the
lateral curb lines or, if none, then the lateral boundary lines of
the roadways of two (2) highways which join one another at, or approximately
at, right angles, or the area within which vehicles traveling upon
different highways joining at any other angle may come in conflict;
or

Where a highway includes two (2) roadways thirty (30) feet or
more apart, then every crossing of each roadway of such divided highway
by an intersecting highway shall be regarded as a separate intersection.
In the event such intersecting highway also includes two (2) roadways
thirty (30) feet or more apart, then every crossing of two (2) roadways
of such highways shall be regarded as a separate intersection.

Any two-wheeled or three-wheeled device having an automatic
transmission and a motor with a cylinder capacity of not more than
fifty (50) cubic centimeters which produces less than three (3) gross
brake horsepower and is capable of propelling the device at a maximum
speed of not more than thirty (30) miles per hour on level ground.

All signs, signals, markings and devices not inconsistent
with this Title placed or erected by authority of a public body or
official having jurisdiction for the purpose of regulating, warning
or guiding traffic.

The territory contiguous to and including a highway not comprising
a business district when the property on such highway for a distance
of three hundred (300) feet or more is in the main improved with residences
or residences and buildings in use for business.

The right of one (1) vehicle or pedestrian to proceed in
a lawful manner in preference to another vehicle or pedestrian approaching
under such circumstances of direction, speed and proximity as to give
rise to danger of collision unless one grants precedence to the other.

That portion of a highway improved, designed or ordinarily
used for vehicular travel, exclusive of the berm or shoulder. In the
event a highway includes two (2) or more separate roadways, the term "roadway" as used herein shall refer to any such roadway
separately but not to all such roadways collectively.

The area or space officially set apart within a roadway for
the exclusive use of pedestrians and which is protected or is so marked
or indicated by adequate signs as to be plainly visible at all times
while set apart as a safety zone.

When prohibited, any halting even momentarily of a vehicle,
whether occupied or not, except when necessary to avoid conflict with
other traffic or in compliance with the directions of a Police Officer
or traffic control sign or signal.

The entire width between the lines of every way publicly
maintained when any part thereof is open to the uses of the public
for purposes of vehicular travel. "State highway", a highway maintained by the State of Missouri as a part of the State
highway system.

Every highway or portion thereof on which vehicular traffic
is given preferential right-of-way, and at the entrances to which
vehicular traffic from intersecting highways is required by law to
yield right-of-way to vehicles on such through highway in obedience
to either a stop sign or a yield sign when such signs are erected
as provided in this Title.

Any mechanical device on wheels designed primarily for use
or used on highways, except motorized bicycles, vehicles propelled
or drawn by horses or human power, or vehicles used exclusively on
fixed rails or tracks, cotton trailers, or motorized wheelchairs operated
by handicapped persons.